Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
7213470 | Composites Part B: Engineering | 2014 | 6 Pages |
Abstract
Integration of organic nanoclay into bio-based polyurethane (PU) foam is a promising alternative to enhance the foam's properties via green technology. In this paper, modified diaminopropane montmorillonite (DAP-MMT) nanoclay was introduced into palm oil-based PU foam at different weight loadings, namely, 0, 2, 4, 6, 8, and 10Â wt.%, in order to investigate the effects on the mechanical and thermal properties of the foam. Several tests and characterizations were carried out to study the surface morphology, density, compressive strength and thermal stability of the foam. It was found that foam exhibited an exfoliated or intercalated microstructure based on the DAP-MMT contents. The X-ray diffraction analysis showed that below 4Â wt.%, the foams displayed exfoliated structures while beyond the value, the foams exhibited the intercalated morphologies. Closed cells with different cell sizes were observed when the DAP-MMT contents were varied. Meanwhile, thermal stability and compressive strength of foams increased with increasing DAP-MMT contents up to 4Â wt.%, as shown by thermogravimetry analysis and compression test, respectively.
Related Topics
Physical Sciences and Engineering
Engineering
Engineering (General)
Authors
Nik Nurfatmah Pz Nik Pauzi, Rohah A. Majid, Mohd Haziq Dzulkifli, Mohd Yazid Yahya,